<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .main{
            width: 300px;
            height: 300px;
            background: skyblue;
            display: grid;
            grid-template-columns:[col1] 1fr [col2] 1fr [col3] 1fr [col4];
            grid-template-rows:[row1] 1fr [row2] 1fr [row3] 1fr [row4];
        }
        .main div:nth-of-type(1){
            background: pink;
            /* grid-column-start: 2;
            grid-column-end: span 2; */

            /* grid-column-start: col2;
            grid-column-end: col4; */

            /* grid-column: 2 / 3;
            grid-row: 2 / 4; */

            grid-area: 2 / 2 / 4 / 3;
            
        }
        .main div:nth-of-type(2){
            background: yellow;
        }
    </style>
</head>
<body>
    <div class="main">
        <div>1</div>
    </div>
</body>
</html>